diff --git a/aegisub/src/audio_box.cpp b/aegisub/src/audio_box.cpp
index 56a94402d..f3c8d0230 100644
--- a/aegisub/src/audio_box.cpp
+++ b/aegisub/src/audio_box.cpp
@@ -106,6 +106,7 @@ AudioBox::AudioBox(wxWindow *parent, agi::Context *context)
 	VertVolArea->Add(VertVol,1,wxEXPAND,0);
 
 	ToggleBitmap *link_btn = new ToggleBitmap(panel, context, "audio/opt/vertical_link", 16, "Audio", wxSize(20, -1));
+	link_btn->SetMaxSize(wxDefaultSize);
 	VertVolArea->Add(link_btn, 0, wxRIGHT | wxALIGN_CENTER | wxEXPAND, 0);
 	OPT_SUB("Audio/Link", &AudioBox::OnVerticalLink, this);